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我国首条750kV同塔双回架设的输电线路——兰州东—平凉—乾县线路于1月9日正式全线贯通,这标志着我国已通过自主创新掌握了具有国际先进水平的高电压等级同塔双回关键技术。这项技术可以减少
The first 750kV double-circuit transmission line with the same tower in the same tower in China - Lanzhou East - Pingliang - Ganxian Line officially went through on January 9, marking that China has mastered the high-voltage level with international advanced level through independent innovation Tower double key technology. This technique can be reduced